164
VEHICLE DIAGNOSIS
EPS fault diagnosis and solution
Ref No Trouble shooting Possible causes Repair procedures
1
No steering assist
to handlebar
Improper plug connection Check the plugs and connections
Burnt fuse Replace fuse
Failure of Controller, Motor or sensor
Contact authorized dealer and replace
the parts�
2
Asymmetrical
steering assist
to left and right
turning
Improper voltage output from sensor
Contact authorized dealer for
adjustment or replacement
Controller, Motor or sensor break down
Contact authorized dealer and replace
the parts�
3 Steering swing
Wrong connections at motor terminals
Change the terminal connection of the
red and black wire
Controller or sensor break down
Contact authorized dealer for parts and
replacement
4
Low power
steering assist
Overuse of choke Recharge or replace battery
Motor break down.
Contact authorized dealer for
replacement
Low pressure with Front tires Inate tires to the required pressure
5 Noise from system
Motor break down.
Inspect, clean and/or replace spark
plugs
Steering system parts wear out and big
clearance exist�
Replace the related parts�
Improper assembly of steering column
or mechanical steering assembly parts
Check and tighten all of bolts.
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